Valhalla, NY: 8 Health Violations — 58/100 (2026)
1 ZIP code · 7 water systems · Updated 2026-06-03
Valhalla water quality is uneven — some service areas show clean compliance; others carry documented violations in NY EPA records.
How Valhalla Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Valhalla Water
- Your city's water systems recorded 8 violations in the past 5 years.
- Average lead level: 0.01 mg/L.
- Homes built before 1986: 88% — older plumbing may contain lead solder.
- Estimated remediation: $3,000 per household.
- CDC health risk index: 10.47.
Who Supplies Your Water in Valhalla
In Valhalla, NY, residential water supply is distributed across multiple utilities rather than concentrated in one. The 3 leading providers out of 7 tracked systems each control their own infrastructure, file separate EPA compliance reports, and set independent rate schedules.
Overview
We track water quality and home safety data for 1 ZIP code in Valhalla, New York (population ~7,180), covering 7 community water systems serving approximately 8,307,082 people region-wide.
1 of 1 ZIP code (100%) have recorded EPA violations. 8 health-based violations documented.
Home Safety Score
Average Home Safety Score for Valhalla: C (58/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Valhalla water systems draw from: Groundwater, Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0100 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 16 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 10595 | C | 8 | 8 | Kensico Water District |
All ZIP Codes in Valhalla
- 10595 [C] — 8 violations ⚠
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Updated daily.
Health Outcomes in Valhalla
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
Top Contaminants in Valhalla Water
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Housing & Infrastructure in Valhalla
With 88% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Reading the housing age data for Valhalla — median build year 1969 — the overriding implication is that the plumbing materials inside a typical home here reflect pre-1986 construction standards. In practical terms, that means lead-soldered copper joints are common across much of the housing stock. Where those materials are present, water can leach lead as it moves through joints — a pathway that corrosion control treatment under federal rules is designed to reduce, though it cannot eliminate lead risk where the plumbing materials themselves contain lead.
Over half of homes in Valhalla were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.
Source: U.S. Census Bureau ACS B25034.
Cost Context: What Remediation Means for Valhalla Homeowners
Setting Valhalla remediation figures against its property market, the resulting ratio sits comfortably in the low tier — a classification that reflects the kind of household financial position where most homeowners can identify documented issues, schedule the work, and absorb the cost without it registering as a significant budget disruption.
Remediation costs in Valhalla are relatively low compared to home values. The $1,900–$4,800 estimated range is a small fraction of median property value. Home values are 100% above the New York average.
Lead Exposure Risk for Children in Valhalla
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Pulling a tap sample fills the gap that utility data cannot close, particularly here where 88% of housing dates from the pre-rule era and citywide monitoring sits at or above the regulatory mark in Valhalla.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Flood & Climate Risk in Valhalla
FEMA data shows 100% of Valhalla's ZIP codes mapped into designated flood zones, paired with an NFIP record of 38 claims. That footprint places local flood exposure in the range where it warrants attention without rising to high-severity planning territory.
Valhalla has a moderate flood history with 38 FEMA claims averaging $16,528 per payout. 100% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. Flood damage can add significantly to the estimated <strong>$3,000</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
What You Can Do in Valhalla
- Test your water at home. City-level data shows averages — your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
- Install a certified water filter. Filters rated for Total Trihalomethanes (TTHM) can reduce the most common contaminant found in Valhalla's water.
- Check your home's plumbing. With 88% of homes built before 1986, lead solder is a real possibility.
Deep Dive Reports
Detailed analysis for Valhalla, NY